Move webkit/plugins/ppapi to content/renderer/pepper.

webkit/plugins/ppapi/host_array_buffer_var.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "webkit/plugins/ppapi/host_array_buffer_var.h"
-
-#include <stdio.h>
-#include <string.h>
-
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/process_util.h"
-#include "ppapi/c/pp_instance.h"
-#include "webkit/plugins/ppapi/host_globals.h"
-#include "webkit/plugins/ppapi/plugin_module.h"
-#include "webkit/plugins/ppapi/ppapi_plugin_instance_impl.h"
-
-using ppapi::ArrayBufferVar;
-using WebKit::WebArrayBuffer;
-
-namespace webkit {
-namespace ppapi {
-
-HostArrayBufferVar::HostArrayBufferVar(uint32 size_in_bytes)
-    : buffer_(WebArrayBuffer::create(size_in_bytes, 1 /* element_size */)),
-      valid_(true) {
-}
-
-HostArrayBufferVar::HostArrayBufferVar(const WebArrayBuffer& buffer)
-    : buffer_(buffer),
-      valid_(true) {
-}
-
-HostArrayBufferVar::HostArrayBufferVar(uint32 size_in_bytes,
-                                       base::SharedMemoryHandle handle)
-    : buffer_(WebArrayBuffer::create(size_in_bytes, 1 /* element_size */)) {
-  base::SharedMemory s(handle, true);
-  valid_ = s.Map(size_in_bytes);
-  if (valid_) {
-    memcpy(buffer_.data(), s.memory(), size_in_bytes);
-    s.Unmap();
-  }
-}
-
-HostArrayBufferVar::~HostArrayBufferVar() {
-}
-
-void* HostArrayBufferVar::Map() {
-  if (!valid_)
-    return NULL;
-  return buffer_.data();
-}
-
-void HostArrayBufferVar::Unmap() {
-  // We do not used shared memory on the host side. Nothing to do.
-}
-
-uint32 HostArrayBufferVar::ByteLength() {
-  return buffer_.byteLength();
-}
-
-bool HostArrayBufferVar::CopyToNewShmem(
-    PP_Instance instance,
-    int* host_shm_handle_id,
-    base::SharedMemoryHandle* plugin_shm_handle) {
-  webkit::ppapi::PluginInstanceImpl* i =
-      webkit::ppapi::HostGlobals::Get()->GetInstance(instance);
-  scoped_ptr<base::SharedMemory> shm(i->delegate()->CreateAnonymousSharedMemory(
-      ByteLength()));
-  if (!shm)
-    return false;
-
-  shm->Map(ByteLength());
-  memcpy(shm->memory(), Map(), ByteLength());
-  shm->Unmap();
-
-  // Duplicate the handle here; the SharedMemory destructor closes
-  // its handle on us.
-  HostGlobals* hg = HostGlobals::Get();
-  PluginModule* pm = hg->GetModule(hg->GetModuleForInstance(instance));
-  base::ProcessId p = pm->GetPeerProcessId();
-  if (p  == base::kNullProcessId) {
-    // In-process, clone for ourselves.
-    p = base::GetCurrentProcId();
-  }
-
-  base::PlatformFile platform_file =
-#if defined(OS_WIN)
-      shm->handle();
-#elif defined(OS_POSIX)
-      shm->handle().fd;
-#else
-#error Not implemented.
-#endif
-
-  *plugin_shm_handle =
-      i->delegate()->ShareHandleWithRemote(platform_file, p, false);
-  *host_shm_handle_id = -1;
-  return true;
-}
-
-}  // namespace ppapi
-}  // namespace webkit